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Individual Calculations August 2017 |
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| Ostrowska, Joanna Total change: -16.40 | |   |
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| MetLife Warsaw Najdorf Chess Festiwal Gr. B | Warszawa | POL | 2017-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1681 | 2.50 | 9 | -0.82 | 20 | -16.40 | |
|  Kasperkiewicz, Pawel | | | 2009 | POL | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Szefer, Michal | | | 1928 | POL | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Mroz, Waldemar | | | 1939 | POL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Mike, Patryk | | | 1863 | POL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Romejko, Konrad | | | 1858 | POL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Bilenkiy, Maksym | | | 1556 | UKR | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Al Maamari, Wafia Darwish | | wc | 1579 | UAE | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Rejniak, Zuzanna | | | 1632 | POL | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Karhula, Sandro | | | 1747 | FIN | 0.00 | 1 | -0.41 | 20 | -8.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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